Visible crew/equipment: When Roy and John are in The Boat with the victim of the explosion, the ambulance arrives and just as it passes by we are able to see a nice reflection of crew members, location set's 9-bank array lighting, reflector screens, a ladder and other equipment.
Visible crew/equipment: After Squad 51 is dispatched to the 'heart attack' at Compu-Data, when Johnny and Roy walk in and then approach the victim in the office, the reflection of the moving camera dolly is visible on the office's large panes of glass. The camera equipment also casts a shadow on the three men as they walk toward the office, then on the glass as it moves back and forth.
Visible crew/equipment: At the gravel pit, when Roy jumps onto the conveyor belt to reach for the trapped little boy, the outline of the bulging mic transmitter is visible on the back of Roy's shirt.
Visible crew/equipment: After Johnny and Roy arrive on scene with the man trapped behind the semi, when they both put down the splints and drug boxes, the bulging outlines of the mic transmitters are visible on the back of their shirts as they bend over. Then, when Roy leans over to check on the victim, the outlines of the mic transmitter and wire are visible on the back of his shirt.
Visible crew/equipment: After Roy and Johnny pick up supplies at the nurses' station, they walk down the hallway and stop midway to talk about Johnny's insomnia. After speaking a few moments, Johnny and Roy head for the exit, so the camera follows them without cutting away, and when a father and son enter the hospital the camera turns, without cutting away, and follows them up the hallway. Just before the father and son reach the nurses' station, the actors' two black tape mark are visible on the floor behind them, precisely where Roy and Johnny had been speaking.
Visible crew/equipment: When Roy and Johnny are at the nurses' station talking about Johnny's insomnia, after Johnny signs for the supplies, as they walk away the actor's black tape mark is visible on the floor, where Roy had just been standing.
Visible crew/equipment: When the man from The Boat explosion is loaded into the ambulance, the outlines of the mic transmitter and wire are visible on the back of Roy's shirt, as he climbs in after the gurney.
Visible crew/equipment: When Station 51 is dispatched to The Boat explosion, just after Captain Stanley responds, "KMG365," as he walks past the camera to the engine, we can see the open top of the set at the rear corner of the apparatus bay.
Visible crew/equipment: Just before dispatch drops tones for Squad 51 to respond to a heart attack, Johnny's walking past the rear bay door, and we can see the top of the set over the bay door.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
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